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Finding the Fourth Proportional to 133,694.67, 184,503.74 and 76,343.34

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Solution

The fourth proportional to 133,694.67, 184,503.74 and 76,343.34 is: 105,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,694.67 : 184,503.74 = 76,343.34 : x
  2. Step 2: Convert to fraction form
    133,694.67/184,503.74 = 76,343.34/x
  3. Step 3: Cross multiply
    133,694.67x = 184,503.74 × 76,343.34
  4. Step 4: Simplify right side
    133,694.67x = 14,085,631,754.09
  5. Step 5: Solve for x
    x = 14,085,631,754.09/133,694.67
  6. Step 6: Final answer
    x = 105,356.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.